Sep 04 08:02:38.153 INFO checking png-0.5.2 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 08:02:38.153 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 08:02:38.153 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 08:02:38.318 INFO blam! 620e906a8185a5693c5973557168afa265b34019303c5c7c4690f7b086a9d03d
Sep 04 08:02:38.320 INFO running `"docker" "start" "-a" "620e906a8185a5693c5973557168afa265b34019303c5c7c4690f7b086a9d03d"`
Sep 04 08:02:39.195 INFO kablam!    Compiling wayland-scanner v0.5.11
Sep 04 08:02:39.197 INFO kablam!    Compiling glutin v0.5.2
Sep 04 08:02:39.197 INFO kablam!    Compiling glium v0.14.0
Sep 04 08:02:39.198 INFO kablam!     Checking backtrace v0.1.8
Sep 04 08:02:39.206 INFO kablam!     Checking png v0.5.2 (file:///source)
Sep 04 08:02:39.206 INFO kablam!     Checking wayland-sys v0.5.11
Sep 04 08:02:40.283 INFO kablam! warning: unnecessary parentheses around method argument
Sep 04 08:02:40.283 INFO kablam!    --> src/filter.rs:111:54
Sep 04 08:02:40.283 INFO kablam!     |
Sep 04 08:02:40.283 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 04 08:02:40.283 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 04 08:02:40.283 INFO kablam!     |
Sep 04 08:02:40.283 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 04 08:02:40.284 INFO kablam! 
Sep 04 08:02:42.009 INFO kablam! warning: unused import: `Read`
Sep 04 08:02:42.009 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 04 08:02:42.009 INFO kablam!   |
Sep 04 08:02:42.009 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 04 08:02:42.009 INFO kablam!   |                     ^^^^
Sep 04 08:02:42.009 INFO kablam!   |
Sep 04 08:02:42.009 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 08:02:42.009 INFO kablam! 
Sep 04 08:02:42.009 INFO kablam! warning: unused import: `Write`
Sep 04 08:02:42.009 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 04 08:02:42.009 INFO kablam!   |
Sep 04 08:02:42.009 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 04 08:02:42.009 INFO kablam!   |                           ^^^^^
Sep 04 08:02:42.009 INFO kablam! 
Sep 04 08:02:42.009 INFO kablam! warning: unused import: `AsRef`
Sep 04 08:02:42.009 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 04 08:02:42.009 INFO kablam!   |
Sep 04 08:02:42.009 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 04 08:02:42.009 INFO kablam!   |                          ^^^^^
Sep 04 08:02:42.009 INFO kablam! 
Sep 04 08:02:42.009 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 04 08:02:42.010 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 04 08:02:42.010 INFO kablam!   |
Sep 04 08:02:42.010 INFO kablam! 8 | use std::convert::AsRef;
Sep 04 08:02:42.010 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 04 08:02:42.010 INFO kablam! 
Sep 04 08:02:43.299 INFO kablam! warning: variable does not need to be mutable
Sep 04 08:02:43.299 INFO kablam!   --> src/traits.rs:18:49
Sep 04 08:02:43.300 INFO kablam!    |
Sep 04 08:02:43.300 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 04 08:02:43.300 INFO kablam!    |                                                 ----^^^
Sep 04 08:02:43.300 INFO kablam!    |                                                 |
Sep 04 08:02:43.300 INFO kablam!    |                                                 help: remove this `mut`
Sep 04 08:02:43.300 INFO kablam!    |
Sep 04 08:02:43.300 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 08:02:43.300 INFO kablam! 
Sep 04 08:02:45.054 INFO kablam!    Compiling wayland-client v0.5.12
Sep 04 08:02:51.027 INFO kablam!     Checking wayland-window v0.2.3
Sep 04 08:02:51.027 INFO kablam!     Checking wayland-kbd v0.3.6
Sep 04 08:03:19.554 INFO kablam! warning: unnecessary parentheses around method argument
Sep 04 08:03:19.554 INFO kablam!    --> src/filter.rs:111:54
Sep 04 08:03:19.554 INFO kablam!     |
Sep 04 08:03:19.554 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 04 08:03:19.554 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 04 08:03:19.554 INFO kablam!     |
Sep 04 08:03:19.554 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 04 08:03:19.554 INFO kablam! 
Sep 04 08:03:20.651 INFO kablam! warning: unused import: `Read`
Sep 04 08:03:20.651 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 04 08:03:20.651 INFO kablam!   |
Sep 04 08:03:20.651 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 04 08:03:20.651 INFO kablam!   |                     ^^^^
Sep 04 08:03:20.652 INFO kablam!   |
Sep 04 08:03:20.652 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 08:03:20.652 INFO kablam! 
Sep 04 08:03:20.652 INFO kablam! warning: unused import: `Write`
Sep 04 08:03:20.652 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 04 08:03:20.652 INFO kablam!   |
Sep 04 08:03:20.652 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 04 08:03:20.652 INFO kablam!   |                           ^^^^^
Sep 04 08:03:20.652 INFO kablam! 
Sep 04 08:03:20.652 INFO kablam! warning: unused import: `AsRef`
Sep 04 08:03:20.652 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 04 08:03:20.652 INFO kablam!   |
Sep 04 08:03:20.652 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 04 08:03:20.652 INFO kablam!   |                          ^^^^^
Sep 04 08:03:20.652 INFO kablam! 
Sep 04 08:03:20.652 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 04 08:03:20.653 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 04 08:03:20.653 INFO kablam!   |
Sep 04 08:03:20.653 INFO kablam! 8 | use std::convert::AsRef;
Sep 04 08:03:20.653 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 04 08:03:20.653 INFO kablam! 
Sep 04 08:03:20.746 INFO kablam! warning: unused `#[macro_use]` import
Sep 04 08:03:20.746 INFO kablam!  --> examples/show.rs:1:1
Sep 04 08:03:20.746 INFO kablam!   |
Sep 04 08:03:20.746 INFO kablam! 1 | #[macro_use]
Sep 04 08:03:20.747 INFO kablam!   | ^^^^^^^^^^^^
Sep 04 08:03:20.747 INFO kablam!   |
Sep 04 08:03:20.747 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 08:03:20.747 INFO kablam! 
Sep 04 08:03:20.963 INFO kablam! warning: variable does not need to be mutable
Sep 04 08:03:20.963 INFO kablam!   --> src/traits.rs:18:49
Sep 04 08:03:20.963 INFO kablam!    |
Sep 04 08:03:20.963 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 04 08:03:20.963 INFO kablam!    |                                                 ----^^^
Sep 04 08:03:20.963 INFO kablam!    |                                                 |
Sep 04 08:03:20.963 INFO kablam!    |                                                 help: remove this `mut`
Sep 04 08:03:20.963 INFO kablam!    |
Sep 04 08:03:20.963 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 08:03:20.963 INFO kablam! 
Sep 04 08:03:21.158 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 42.16s
Sep 04 08:03:21.172 INFO kablam! su: No module specific data is present
Sep 04 08:03:21.545 INFO running `"docker" "rm" "-f" "620e906a8185a5693c5973557168afa265b34019303c5c7c4690f7b086a9d03d"`
Sep 04 08:03:21.657 INFO blam! 620e906a8185a5693c5973557168afa265b34019303c5c7c4690f7b086a9d03d